2566063231245 has 32 divisors (see below), whose sum is σ = 4566466045440. Its totient is φ = 1367194299840.

The previous prime is 2566063231229. The next prime is 2566063231301. The reversal of 2566063231245 is 5421323606652.

2566063231245 is a `hidden beast` number, since 2 + 5 + 6 + 6 + 0 + 632 + 3 + 1 + 2 + 4 + 5 = 666.

It is not a de Polignac number, because 2566063231245 - 2⁴ = 2566063231229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2566063231245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9397941 + ... + 9667130.

It is an arithmetic number, because the mean of its divisors is an integer number (142702063920).

Almost surely, 2^{2566063231245} is an apocalyptic number.

It is an amenable number.

2566063231245 is a deficient number, since it is larger than the sum of its proper divisors (2000402814195).

2566063231245 is a wasteful number, since it uses less digits than its factorization.

2566063231245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19066082 (or 19066076 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

Adding to 2566063231245 its reverse (5421323606652), we get a palindrome (7987386837897).

The spelling of 2566063231245 in words is "two trillion, five hundred sixty-six billion, sixty-three million, two hundred thirty-one thousand, two hundred forty-five".